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NOAA-20 VIIRS VJ143D40 provides daily BRDF and albedo quality metrics at 30 arc-second (1,000 meter) resolution for climate modeling. Each product synthesizes 16 days of observations, temporally weighted to the ninth day, and covers the entire globe on a Climate Modeling Grid (CMG). It includes quality flags for moderate resolution bands M1-M5, M7, M8, M10, M11, and the Day/Night Band (DNB), plus local solar noon, valid observation counts, snow status, and uncertainty layers.
Files are large, with each VJ143D product containing only one data layer per parameter. Known issues are documented on the MODIS/VIIRS Land Quality Assessment website.